Alert archive / Montana / Snow Advisories in 2007
Snow Advisory 21, NWS Great Falls, MT
NWS Great Falls, MT issued this snow advisory at Nov 18, 2007, 2:31 PM MST. It took effect at Nov 18, 2007, 9:48 PM MST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Nov 18, 2007, 2:31 PM MST (21:31 UTC)
- In effect from
- Nov 18, 2007, 9:48 PM MST
- Expired
- Nov 19, 2007, 3:16 PM MST
- In force
- 17 hr
- Issued by
- NWS Great Falls, MT
What forecasters said that day
The local office's own words before this snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this snow advisory went out at Nov 18, 11:01 AM MST, 3 hours 30 minutes earlier.
Area forecast discussion, Nov 18, 11:01 AM MST, 3 hours 30 minutes before
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</html>Hazardous weather outlook, Nov 18, 3:45 AM MST, 10 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 345 AM MST SUN NOV 18 2007 MTZ009-010-048-191200- NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER- SOUTHERN ROCKY MOUNTAIN FRONT- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. SUSTAINED WINDS OF 25 TO 40 MPH...WITH GUSTS UP TO 60 MPH...WILL CONTINUE INTO EARLY SUNDAY AFTERNOON. A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ACCUMULATIONS OF 2 TO 4 INCHES OF SNOW ARE POSSIBLE ACROSS CENTRAL MONTANA WITH 8 TO 14 INCHES OF SNOW POSSIBLE OVER THE MOUNTAINS...UP TO 2 FEET OF SNOW POSSIBLE OVER THE HIGHER PEAKS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WINTER STORM WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ012-014-050-051-054-191200- CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-JUDITH BASIN-FERGUS- MEAGHER- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ACCUMULATIONS OF 2 TO 4 INCHES OF SNOW ARE POSSIBLE ACROSS CENTRAL MONTANA WITH 8 TO 14 INCHES OF SNOW POSSIBLE OVER THE MOUNTAINS...UP TO 2 FEET OF SNOW POSSIBLE OVER THE HIGHER PEAKS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WINTER STORM WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ008-011-013-015-044>047-049-052-053-055-191200- BEAVERHEAD-HILL-CHOUTEAU-MADISON-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JEFFERSON-BROADWATER-GALLATIN- 345 AM MST SUN NOV 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Local storm report, Nov 18, 9:23 AM MST, 5 hours 8 minutes before
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</html>Local storm report, Nov 18, 9:36 AM MST, 4 hours 55 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 2:31 PM MST | Heavy Snow Warning | TFX | 38 hr | |
| Nov 18, 2:31 PM MST | Winter Storm Watch | TFX | 14 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.